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选择60～75岁老年脑梗塞有记忆障碍者60例（试验组）、无记忆障碍者40例（对照组）作脑电图（EEG）描记．结果发现：试验组EEG局限异常率为41．7％，明显高于对照组的22．5％，而对照组EEG轻度异常率为35．0％，明显高于试验组的16.7％．论验组α波低波率者（8～9c／s）、低指数者（＜25％）与有泛化者分别为81．7％、26．7％与66．7％，均显著高于对照组的62．5％、10．0％与45．0％；试验组异常EEG慢波与快波出现率均高于对照组．
Sixty patients (aged 60-75 years old with cerebral infarction with memory impairment) and 40 without memory impairment (control group) were selected as EEG. The results showed that the abnormal rate of EEG in the experimental group was 41.7%, which was significantly higher than that in the control group (22.5%), while that in the control group was 35.0%, significantly higher than that of the experimental group (16.7%). In the experimental group, the low wave rate of alpha wave (8 ~ 9c / s), low index (<25%) and generalized ones were 81.7%, 26.7% and 66.7% 62.5%, 10.0% and 45.0% of the control group, respectively. The incidences of EEG slow wave and fast wave in the experimental group were higher than those in the control group.